1# Copyright 2020 Huawei Technologies Co., Ltd 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# ============================================================================ 15 16import numpy as np 17 18import mindspore as ms 19import mindspore.ops.operations as P 20from mindspore import context, Tensor 21 22 23def test_cast(): 24 """ tests cast for same dtype""" 25 context.set_context(mode=context.PYNATIVE_MODE, device_target="Ascend") 26 input_np = np.random.randn(2, 3, 4, 5).astype(np.float32) 27 input_x = Tensor(input_np) 28 type_dst = ms.float32 29 cast = P.Cast() 30 result = cast(input_x, type_dst) 31 assert result.dtype == type_dst 32